16344195749 has 8 divisors (see below), whose sum is σ = 18707430720. Its totient is φ = 13988048256.

The previous prime is 16344195739. The next prime is 16344195767. The reversal of 16344195749 is 94759144361.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16344195749 - 2²⁴ = 16327418533 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16344195749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16344195739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1766924 + ... + 1776149.

It is an arithmetic number, because the mean of its divisors is an integer number (2338428840).

Almost surely, 2^16344195749 is an apocalyptic number.

It is an amenable number.

16344195749 is a deficient number, since it is larger than the sum of its proper divisors (2363234971).

16344195749 is an equidigital number, since it uses as much as digits as its factorization.

16344195749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3543739.

The product of its digits is 3265920, while the sum is 53.

The spelling of 16344195749 in words is "sixteen billion, three hundred forty-four million, one hundred ninety-five thousand, seven hundred forty-nine".